1. World Health Organization. Document SDE/PHE/DP/02 (1999).
2. United Nations Environment Programme Governing Council. Decision 19/13C (7 February 1997).
3. http://www.malaria.org/DDTpage.html
4. Metcalf, C.L. & Flint, W.P. Destructive and Useful Insects: Their Habits and Control 4th edn. (McGraw-Hill, New York, 1962).
5. Roberts, D. R. et al. DDT, global strategies and a malaria control crisis in South America. Emerg. Infect. Dis. 3, 295– 302 (1997).